3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = (object)[ 'test' => 1 ]; $b = serialize($a); var_dump(unserialize($b)); echo"<br />"; echo"<br />"; var_dump("---------------"); echo"<br />"; echo"<br />"; var_dump(unserialize($b, ['allowed_classes'=>['stdClass']])); echo"<br />"; echo"<br />"; var_dump("---------------"); var_dump(count(unserialize($b, ['allowed_classes'=>false]))); echo"<br />"; echo"<br />"; var_dump("---------------"); var_dump(unserialize($b, false)); echo"<br />"; echo"<br />"; var_dump("---------------"); var_dump(unserialize($b, ['allowed_classes'=>true])); echo"<br />"; echo"<br />"; var_dump("---------------"); var_dump(unserialize($b, [false]));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0120.00918.43
8.3.50.0120.00617.93
8.3.40.0090.00618.62
8.3.30.0150.00018.88
8.3.20.0050.00320.34
8.3.10.0040.00420.66
8.3.00.0040.00420.62
8.2.180.0140.00716.86
8.2.170.0000.01422.96
8.2.160.0120.00322.16
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00319.89
8.2.110.0030.00622.24
8.2.100.0120.00017.91
8.2.90.0040.00419.21
8.2.80.0000.00817.97
8.2.70.0050.00517.63
8.2.60.0040.00417.80
8.2.50.0000.00818.10
8.2.40.0040.00422.32
8.2.30.0050.00319.32
8.2.20.0060.00318.07
8.2.10.0040.00417.94
8.2.00.0070.00018.05
8.1.280.0160.00625.92
8.1.270.0050.00322.18
8.1.260.0050.00326.35
8.1.250.0000.00828.09
8.1.240.0060.00320.91
8.1.230.0040.00719.08
8.1.220.0000.01017.74
8.1.210.0050.00318.77
8.1.200.0060.00317.48
8.1.190.0080.00017.35
8.1.180.0000.00718.10
8.1.170.0040.00418.59
8.1.160.0050.00318.90
8.1.150.0000.00718.77
8.1.140.0070.00019.58
8.1.130.0030.00318.81
8.1.120.0070.00017.45
8.1.110.0000.00717.47
8.1.100.0040.00417.53
8.1.90.0080.00017.46
8.1.80.0070.00017.50
8.1.70.0030.00617.36
8.1.60.0030.00617.58
8.1.50.0000.00717.58
8.1.40.0000.00717.48
8.1.30.0080.00017.59
8.1.20.0000.00817.63
8.1.10.0000.00717.56
8.1.00.0050.00217.41
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0000.00718.45
8.0.270.0040.00417.32
8.0.260.0030.00320.54
8.0.250.0000.00716.91
8.0.240.0000.00816.88
8.0.230.0100.00016.97
8.0.220.0040.00416.91
8.0.210.0050.00316.94
8.0.200.0030.00316.82
8.0.190.0030.00517.04
8.0.180.0000.00717.00
8.0.170.0040.00416.95
8.0.160.0030.00516.99
8.0.150.0040.00416.84
8.0.140.0000.00816.94
8.0.130.0030.00313.46
8.0.120.0040.00416.83
8.0.110.0030.00316.86
8.0.100.0050.00216.85
8.0.90.0000.00816.76
8.0.80.0090.01316.98
8.0.70.0000.00817.03
8.0.60.0080.00017.00
8.0.50.0050.00216.81
8.0.30.0080.00917.16
8.0.20.0120.00917.40
8.0.10.0000.00717.12
8.0.00.0120.00516.74
7.4.330.0020.00215.55
7.4.320.0030.00316.57
7.4.300.0030.00316.58
7.4.290.0080.00316.41
7.4.280.0030.00516.42
7.4.270.0000.00716.56
7.4.260.0040.00416.49
7.4.250.0040.00416.57
7.4.240.0030.00316.52
7.4.230.0080.00016.49
7.4.220.0070.01016.61
7.4.210.0080.01016.54
7.4.200.0000.00716.51
7.4.160.0090.00716.65
7.4.150.0130.00517.40
7.4.140.0110.00717.86
7.4.130.0050.01416.59
7.4.120.0050.01416.64
7.4.110.0060.01216.57
7.4.100.0140.01016.68
7.4.90.0110.00616.45
7.4.80.0060.01619.39
7.4.70.0070.01016.64
7.4.60.0030.01616.67
7.4.50.0080.00716.37
7.4.40.0070.01016.59
7.4.30.0060.01216.59
7.4.00.0060.01015.11
7.3.330.0030.00313.12
7.3.320.0070.00013.12
7.3.310.0040.00416.42
7.3.300.0000.00716.27
7.3.290.0020.00516.23
7.3.280.0080.00916.27
7.3.270.0060.01217.40
7.3.260.0110.00716.51
7.3.250.0110.01016.32
7.3.240.0100.00716.38
7.3.230.0200.00416.31
7.3.210.0140.01116.50
7.3.200.0080.00816.32
7.3.190.0130.00316.29
7.3.180.0080.00816.32
7.3.170.0060.01216.23
7.3.160.0090.00616.36
7.3.10.0070.00416.63
7.3.00.0030.01016.53
7.2.330.0030.02016.59
7.2.320.0100.01316.66
7.2.310.0140.00716.53
7.2.300.0060.00916.58
7.2.290.0130.00316.84
7.2.130.0090.00916.53
7.2.120.0030.01016.98
7.2.110.0030.00917.07
7.2.100.0040.01117.02
7.2.90.0090.00316.90
7.2.80.0060.00316.96
7.2.70.0060.00916.94
7.2.60.0100.00416.94
7.2.50.0090.00716.84
7.2.40.0030.01016.65
7.2.30.0000.01316.88
7.2.20.0070.00416.70
7.2.10.0100.00317.09
7.2.00.0000.01016.91
7.1.250.0040.00715.75
7.1.200.0060.00615.34
7.1.70.0040.01316.96
7.1.60.0260.01335.02
7.1.50.0160.02334.75
7.1.40.0280.01134.05
7.1.30.0240.01734.28
7.1.20.0260.01034.26
7.1.10.0070.01316.76
7.1.00.0080.01116.59
7.0.200.0030.01716.81
7.0.190.0080.01216.52
7.0.180.0080.01116.34
7.0.170.0100.01016.39
7.0.160.0060.01216.12
7.0.150.0090.01016.04
7.0.140.0030.01316.40
7.0.130.0090.00916.38
7.0.120.0000.01916.36
7.0.110.0060.01316.18
7.0.100.0100.00716.22
7.0.90.0070.00816.15
7.0.80.0040.01216.32
7.0.70.0060.00916.39
7.0.60.0100.00615.96
7.0.50.0110.00616.42
7.0.40.0120.00716.54
7.0.30.0070.01016.52
7.0.20.0060.00916.62
7.0.10.0090.00616.45
7.0.00.0160.00016.28

preferences:
64.49 ms | 400 KiB | 5 Q